Check the reading of electricity meter by yourself, compare it with the reading of the last reading of Electricity Supply Bureau, preliminarily judge whether there is wrong reading of electricity meter; check the reading cycle of electricity fee, and judge whether the date of using electricity increases or decreases due to business change and other reasons, resulting in abnormal electricity.

    Check whether the electrical equipment and family members have been added, and compare with the power consumption in the same period of history to confirm whether the power consumption is abnormal in the near future.

    Turn off the main power switch at home, check whether the meter is rotating, and preliminarily judge whether there is stealing electricity, leakage, wrong wiring and inaccurate meter.